From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 07B05C282DD for ; Fri, 24 May 2019 02:54:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C71ED2177E for ; Fri, 24 May 2019 02:54:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388287AbfEXCya (ORCPT ); Thu, 23 May 2019 22:54:30 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:37342 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2387560AbfEXCy1 (ORCPT ); Thu, 23 May 2019 22:54:27 -0400 Received: from DGGEMS402-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 377D3BC6E59CB42BC67B; Fri, 24 May 2019 10:54:25 +0800 (CST) Received: from [127.0.0.1] (10.184.191.73) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server id 14.3.439.0; Fri, 24 May 2019 10:54:21 +0800 Subject: Re: BUG: spinlock bad magic in rhashtable_walk_enter To: syzbot , , , , , , , References: <0000000000003df61e05899887d3@google.com> From: hujunwei Message-ID: <7da38946-ae8f-93bf-99c3-28949eb46354@huawei.com> Date: Fri, 24 May 2019 10:53:24 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <0000000000003df61e05899887d3@google.com> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 8bit X-Originating-IP: [10.184.191.73] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2019/5/24 9:58, syzbot wrote: > syzbot has bisected this bug to: > > commit 7e27e8d6130c5e88fac9ddec4249f7f2337fe7f8 > Author: Junwei Hu > Date:   Thu May 16 02:51:15 2019 +0000 > >     tipc: switch order of device registration to fix a crash> > bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17c22c72a00000 > start commit:   510e2ced ipv6: fix src addr routing with the exception table > git tree:       net > final crash:    https://syzkaller.appspot.com/x/report.txt?x=14222c72a00000 > console output: https://syzkaller.appspot.com/x/log.txt?x=10222c72a00000 > kernel config:  https://syzkaller.appspot.com/x/.config?x=82f0809e8f0a8c87 > dashboard link: https://syzkaller.appspot.com/bug?extid=01dd5c4b3c34a5cf9308 > syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16b6373ca00000 > C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1251e73ca00000 > > Reported-by: syzbot+01dd5c4b3c34a5cf9308@syzkaller.appspotmail.com > Fixes: 7e27e8d6130c ("tipc: switch order of device registration to fix a crash") > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection > > . > This bug was fixed by: commit 526f5b851a96 (" tipc: fix modprobe tipc failed after switch order of device registration") Regards, Junwei